CN110241818A - Drill-pouring pilework and its construction method - Google Patents
Drill-pouring pilework and its construction method Download PDFInfo
- Publication number
- CN110241818A CN110241818A CN201910473796.5A CN201910473796A CN110241818A CN 110241818 A CN110241818 A CN 110241818A CN 201910473796 A CN201910473796 A CN 201910473796A CN 110241818 A CN110241818 A CN 110241818A
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- Prior art keywords
- pile casting
- steel
- reinforcement cage
- steel pile
- guide post
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1607—Shapes round, e.g. circle
- E02D2200/1614—Shapes round, e.g. circle made from single element
Abstract
The present invention relates to drill-pouring pilework and its construction methods, belong to the technical field of bored concrete pile, its key points of the technical solution are that a kind of drill-pouring pilework, including the fill orifice being opened on ground, hole wall of the fill orifice close to top is inserted with steel pile casting, there are two baffles facing each other for fixed setting at the tip edge position of the steel pile casting, the fill orifice two sides opposite along diameter itself direction are provided with positioning component, positioning component includes locating rod and positioning ring, positioning ring is in the semicircle shape being bonded with the outer wall of steel pile casting, one end of locating rod is hinged and connected with positioning ring, the other end is hinged and connected with ground, and two positioning rings when being connected to the outer wall of steel pile casting respectively, the top of positioning ring is abutted with baffle, two positioning rings are in the annular shape equal with the outer diameter of steel pile casting, and connection is detachably fixed between two positioning rings, it reaches To the effect for the Forming Quality for improving bored concrete pile.
Description
Technical field
The present invention relates to the technical field of bored concrete pile more particularly to drill-pouring pileworks and its construction method.
Background technique
Bored concrete pile refers in engineering site through means such as machine drilling, steel pipe soil compaction or manpower excavations in foundation soil
Stake holes is formed, and places steel reinforcement cage, concrete perfusion and the stake being made into it, according to forming hole method difference, bored concrete pile again may be used
It is divided into several classes such as driven cast-in-place pile, cast-in-situ bored pile and digging hole filling pile.
Existing construction process of bored concrete pile including the following steps: by levelling of the land and prepare mud first, then exist
Borehole and embedded steel pile casting on ground will continue downwards to dig out filling out of steel pile casting by rotary drilling rig again after steel pile casting insertion
Orifice is put into hole after fill orifice reaches designated depth, then by prefabricated steel reinforcement cage, and casting concrete final molding fills
Infuse stake.
In above-mentioned construction technology, steel pile casting is directly inserted in fill orifice, therefore during the steel reinforcement cage of lower section, reinforcing bar
Frictional force between cage and steel pile casting will drive steel pile casting and settle, and the frictional force of steel pile casting being subject to is uneven, therefore
The axis of steel pile casting and the axis of fill orifice can shift, so that the downward vertical degree of steel reinforcement cage is poor, reduce filling
Infuse the Forming Quality of stake.
Summary of the invention
One of the objects of the present invention is to provide a kind of drill-pouring pileworks of Forming Quality for improving bored concrete pile.
Technical purpose of the invention has the technical scheme that
A kind of drill-pouring pilework, including the fill orifice being opened on ground, hole wall of the fill orifice close to top is inserted with steel
Casing, there are two baffles facing each other for fixed setting at the tip edge position of the steel pile casting, and fill orifice is along diameter itself
The opposite two sides in direction are provided with positioning component, and positioning component includes locating rod and positioning ring, and positioning ring is in and steel pile casting
The semicircle shape of outer wall fitting, one end and the positioning ring of locating rod are hinged and connected, and the other end is hinged and connected with ground, and two positioning
When ring is connected to the outer wall of steel pile casting respectively, the top of positioning ring is abutted with baffle, and two positioning rings are in the outer diameter with steel pile casting
Equal annular shape, and connection is detachably fixed between two positioning rings.
Through the above technical solutions, after digging out a hole on the ground, steel pile casting is inserted in the hole and the top of steel pile casting
End is above the ground level, then by the opposite outer wall for being stuck in steel pile casting of two positioning rings, so that the top of positioning ring is abutted with baffle, and
And be fixedly connected two positioning rings, steel pile casting is effectively blocked, when continuing drilling downwards inside steel pile casting at this time
Steel pile casting will not settle, and improve the precision of drilling, and then improve the Forming Quality of bored concrete pile.
The present invention is further arranged to: the locating rod include the first adjusting screw rod being hinged and connected with positioning ring and with
The second adjusting screw rod that ground is hinged and connected, the first adjusting screw rod and the second adjusting screw rod are conllinear, the first adjusting screw rod and second
Swivel nut is threaded between adjusting screw rod, and the thread rotary orientation of the first adjusting screw rod and the second adjusting screw rod is opposite.
Through the above technical solutions, positioning ring is connected to the outer wall of steel pile casting behind the hole inside that steel pile casting insertion is drilled out,
Then rotary threaded sleeve, swivel nut drives the first adjusting screw rod and the second adjusting screw rod to be located remotely from each other, so that positioning ring can be more
It is closely connected to the outer surface of steel pile casting, so that positioning ring effectively improves for the position stability of steel pile casting, in turn
So that the anti-settling ability of steel pile casting improves.
The present invention is further arranged to: the end of the positioning ring is fixedly installed lock sheet, and lock is offered on lock sheet
Tieholen, and two positioning rings be mutually spliced into it is compatible with the outer wall of steel pile casting annular shape when, two locking holes are facing each other
And it is inserted with clamping screw, locking nut has been tightened on clamping screw.
Through the above technical solutions, clamping screw is passed through into locking hole after two positioning rings are connected to the outer wall of steel pile casting,
And locking nut is tightened, so that two positioning rings form an entirety, two positioning rings are bonded tighter with the outer wall of steel pile casting
Close, stability is higher, therefore steel pile casting will not settle when continuing drilling, and the Forming Quality of bored concrete pile is effectively mentioned
It is high.
The present invention is further arranged to: the opposite two sides of the fill orifice are fixedly installed vertical guide post, and two are drawn
Guide post is equal with the distance between perfusion axially bored line, and the internal slide of steel pile casting is inserted with compatible steel reinforcement cage, and steel reinforcement cage
Plug always to the bottom hole of fill orifice, be fixedly installed pair of sliding bar at the apical position of steel reinforcement cage, pair of sliding bar towards
Extend far from steel reinforcement cage axis direction, sliding bar is slidably matched with guide post and glide direction is vertical.
Through the above technical solutions, continuing after drilling out fill orifice downwards along steel pile casting, need steel reinforcement cage by hanging
It puts inside fill orifice, steel reinforcement cage enables sliding bar be slidably matched with respect to guide post during decentralization, therefore steel reinforcement cage energy
It is enough to keep stablizing vertical decentralization, and two guide posts are equal with the distance between perfusion axially bored line, thus the axis of steel reinforcement cage and
The axis of fill orifice is able to maintain the installation error for unanimously reducing steel reinforcement cage, and the decentralization for further improving steel reinforcement cage is smooth
Property and lower section precision, and then improve the Forming Quality of final bored concrete pile.
The present invention is further arranged to: the guide post is in C font, and the C font opening of two guide posts is facing each other,
Sliding bar is located at the C font open interior of guide post and is slidably matched with guide post away from the end of steel reinforcement cage.
Through the above technical solutions, guide post is in C font, and sliding bar is slideably positioned in guidance away from the end of steel reinforcement cage
The C font open interior of column, therefore being slidably matched between sliding bar and guide post is more stable, so that the decentralization of steel reinforcement cage
Precision and smooth degree are higher.
The present invention is further arranged to: the sliding bar is fixedly installed away from the end of steel reinforcement cage there are two limit skateboard,
Limit skateboard is L-shaped, and the L-shaped inside of limit skateboard two sides adjacent with guide post are slidably matched.
Through the above technical solutions, the setting of limit skateboard is so that the slide area between sliding bar and guide post increases,
And the setting of L-shaped limit skateboard so that will not be detached from, so that the two is relatively sliding easily between sliding bar and guide post
Dynamic stability is higher, therefore precision of the steel reinforcement cage in decentralization process is higher, and stability is also stronger.
The present invention is further arranged to: the side of the guide post towards steel reinforcement cage offers limit hole, and limit hole is located at
At the bottom position of guide post, sliding bar offers slide opening away from the end of steel reinforcement cage, and slide opening is fixedly installed positive stop strip, limit
Be fixedly installed spring between item and the bottom hole of slide opening, and spring in the raw when, the end of positive stop strip exceeds sliding bar
End.
Through the above technical solutions, steel reinforcement cage is during decentralization to fill orifice, spring is constantly in compressive state, and
The end of positive stop strip and the inner wall of guide post c-shaped opening are slidably matched, when at the position that positive stop strip slides into limit hole, spring
Elastic restoring force make positive stop strip insertion limit hole in, steel reinforcement cage is fixed, when casting concrete, concrete generate
Buoyancy not will drive steel reinforcement cage and float, and effectively prevents floating cage phenomenon, improves stability when concreting, further
Improve the Forming Quality of bored concrete pile.
The second object of the present invention is to provide a kind of applying for the drill-pouring pilework of Forming Quality for improving bored concrete pile
Work method, technical purpose of the invention have the technical scheme that
A kind of construction method of drill-pouring pilework, including following construction procedure:
The position for needing to form bored concrete pile is simultaneously tamped in S1, cleaning ground, in advance precast reinforced cage；
S2, hole and embedded steel pile casting that depth is 2-4m depth are drilled out, the internal diameter of steel pile casting is selected 20-40cm bigger than stake diameter；
S3, vertical two vertical guide posts are set around the hole drilled out, it is ensured that axis of two guide posts apart from steel pile casting
Line is equidistant；
S4, installation positioning component: the second adjusting screw rod and ground are hinged and connected, and positioning ring is then connected to the outer of steel pile casting
The top of wall and guarantee positioning ring is abutted with baffle, and clamping screw screws on locking nut after passing through locking hole；
S5, continue to drill along the inner wall of steel pile casting, carry out borehole cleaning processing using changing slurry processes after drilling；
S6, steel reinforcement cage is placed, enables sliding bar decline in steel reinforcement cage decentralization process along the c-shaped opening of guide post, until sliding into
The bottom end of steel reinforcement cage is contacted with the bottom hole drilled out, and in positive stop strip insertion limit hole；
S7, casting concrete；
S8, steel pile casting is taken out.
Through the above technical solutions, compacting processing will be carried out after land clearing first, it is ensured that will not collapse, mention when drilling
Then high drilling quality drills out the hole of 2-4 meters of depth and embedded steel pile casting, to continue drilling to subsequent and carry out guidance, steel is protected
The internal diameter of cylinder is 20-40 centimetres bigger than stake diameter, more smooth when on the one hand steel reinforcement cage being transferred, will not be due to after on the other hand drilling
The internal diameter restrictions of steel pile casting cause a diameter to reduce.It is further continued for drilling after steel pile casting is fixed using positioning component, can make
The stability for obtaining steel pile casting further increases, and steel pile casting can position the axis of the fill orifice drilled out, improves drilling essence
Degree reduces influence of the impurity in hole to bored concrete pile Forming Quality, under using slurry processes progress borehole cleaning processing is changed after drilling
During putting steel reinforcement cage, guide post can keep vertical to the decentralization of steel reinforcement cage and decentralization stability improves, and reduces reinforcing bar
The axis deviant of cage, and steel reinforcement cage transfer completely after positive stop strip insertion limit hole in so that the process of casting concrete
Floating cage phenomenon will not occur for middle steel reinforcement cage, improve the Forming Quality of bored concrete pile after concreting.
In conclusion advantageous effects of the invention are as follows:
1, by setting positioning component steel pile casting is able to maintain to stablize vertically and will not settle, improve boring procedure
Middle steel pile casting improves borehole accuracy to the stabilization guiding function of drilling, and then improves final bored concrete pile Forming Quality；
2, by setting guide post and the sliding bar that is slidably matched with guide post so that the decentralization stability of steel reinforcement cage it is higher,
Axis deviant is small, therefore improves the installation accuracy of steel reinforcement cage；
3, the positive stop strip of limit hole is inserted by being arranged, so that steel reinforcement cage is not in floating cage phenomenon when casting concrete,
Improve the stability and final molding quality when perfusion forming pile.
Detailed description of the invention
Fig. 1 is in surface drilling and to plug the structural schematic diagram of steel pile casting；
Fig. 2 is the structural schematic diagram using the fixed steel pile casting of positioning component；
Fig. 3 is the partial enlargement diagram in Fig. 2 at A；
Fig. 4 is the structural schematic diagram installed after steel reinforcement cage；
Fig. 5 is the diagrammatic cross-section of guide post and sliding bar.
Appended drawing reference: 1, fill orifice；2, steel pile casting；21, baffle；3, positioning component；31, locating rod；311, it first adjusts
Screw rod；312, the second adjusting screw rod；313, swivel nut；32, positioning ring；321, lock sheet；3211, locking hole；3212, locking screw
Bolt；3213, locking nut；4, guide post；41, limit hole；5, steel reinforcement cage；51, sliding bar；511, slide opening；512, positive stop strip；
513, spring；52, limit skateboard.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1
A kind of drill-pouring pilework, as shown in figure 4, including the fill orifice 1 being opened on ground, the top aperture of fill orifice 1
Steel pile casting 2 is inserted at position, steel pile casting 2 is bonded with the inner wall of fill orifice 1, and steel reinforcement cage 5, reinforcing bar are also inserted in fill orifice 1
Cage 5 passes through steel pile casting 2 from top to bottom, and the outer surface of steel pile casting 2 is connected with the positioning component for preventing steel pile casting 2 from settling
3.When construction, then borehole and embedded steel pile casting 2 on the ground first continue downward borehole, borehole knot inside steel pile casting 2
Steel reinforcement cage 5 is put into fill orifice 1 by Shu Houzai along steel pile casting 2, and during transferring steel reinforcement cage 5, positioning component 3 can be to steel
Casing 2 is fixed, so that the decentralization stability of steel reinforcement cage 5 is higher, and then improves final bored concrete pile Forming Quality.
The depth of burying of steel pile casting 2 is 2-4m combined with Figure 1 and Figure 2, and the internal diameter of steel pile casting 2 is 20- bigger than the stake diameter of bored concrete pile
40cm, it is more smooth when ensuring that steel reinforcement cage 5 is transferred.It is fixedly installed a pair of of baffle 21 at the tip edge position of steel pile casting 2, one
Central axis that is facing each other to baffle 21 and facing away from steel pile casting 2 extends, and positioning component 3 includes locating rod 31 and positioning ring
32, locating rod 31 includes the first adjusting screw rod 311, the second adjusting screw rod 312 and swivel nut 313, wherein the first adjusting screw rod
311 and second adjusting screw rod 312 collinearly setting and is threadedly coupled with swivel nut 313, the first adjusting screw rod 311 and the second adjusting spiral shell
On the contrary, the first adjusting screw rod 311 is hinged and connected away from one end of swivel nut 313 with positioning ring 32, second adjusts the thread rotary orientation of bar 312
Section screw rod 312 is hinged and connected away from one end of swivel nut 313 with ground, and positioning ring 32 is in semi-annular shape and the outer wall with steel pile casting 2
Fitting.
In conjunction with Fig. 2 and Fig. 3, the both ends of each positioning ring 32 are fixedly installed lock sheet 321, offer on lock sheet 321
Locking hole 3211, when two positioning rings 32 are connected to the outer wall of steel pile casting 2, rotary threaded sleeve 313 can drive positioning ring 32 to support
It connects in the lower surface of baffle 21, two locking holes 3211 are facing each other at this time and are inserted with clamping screw 3212, clamping screw
Locking nut 3213 is tightened on 3212, so that two positioning rings 32 steadily can be formed one by two positioning rings 32
Entirety simultaneously carries out positioning limitation to steel pile casting 2.
As shown in figure 4, the two sides of fill orifice 1 are provided with vertical guide post 4, and two guide posts 4 are apart from fill orifice 1
The equal length of axis, guide post 4 are in C font, and the C font opening of two guide posts 4 is facing each other, the top position of steel reinforcement cage 5
The place of setting is fixedly installed the sliding bar 51 vertical with steel reinforcement cage 5, and sliding bar 51 is fixedly installed a pair away from the end of steel reinforcement cage 5
L-shaped limit skateboard 52 enables the end of sliding bar 51 be located at the interior of guide post 4C shape opening during transferring steel reinforcement cage 5
Side is simultaneously slidably matched with guide post 4, and two sides adjacent with guide post 4 on the inside of the L shape of limit skateboard 52 are slidably matched, because
During in the decentralization to fill orifice 1 of this steel reinforcement cage 5, sliding bar 51 and being slidably matched for guide post 4 can carry out steel reinforcement cage 5
Limit and guidance improve the stability that steel reinforcement cage 5 is transferred and improve filling so that the axis verticality of steel reinforcement cage 5 is higher
Infuse the Forming Quality of stake.
As shown in figure 5, sliding bar 51 offers slide opening 511 away from the end of steel reinforcement cage 5, sliding is provided in slide opening 511
Positive stop strip 512 is fixedly installed spring 513 between positive stop strip 512 and the bottom hole of slide opening 511, and spring 513 is in the raw
When, the end of positive stop strip 512 exceeds the end of sliding bar 51, offers limit hole 41 at the bottom position of guide post 4, works as reinforcing bar
Cage 5 transfer to fill orifice 1 bottom hole when, positive stop strip 512 is slid into just at 41 position of limit hole, and in the elasticity of spring 513
Under power effect, positive stop strip 512 is sprung into limit hole 41, so that steel reinforcement cage 5 is effectively fixed, steel reinforcement cage when casting concrete
5 will not generate floating cage phenomenon due to buoyancy, improve the forming stability of bored concrete pile.
The implementation principle of the present embodiment are as follows: after steel pile casting 2 is inserted into 1 inside of fill orifice, by the end of the second adjusting screw rod 312
Portion and ground are formed hingedly, then positioning ring 32 is connected to the outer wall of steel pile casting 2, and the top of positioning ring 32 and baffle 21
Lower surface abuts, and two positioning rings 32 are fixed followed by clamping screw 3212 and locking nut 3213, so that positioning
Ring 32 can effectively block steel pile casting 2, and steel pile casting 2 will not settle at this time, so that during decentralization steel reinforcement cage 5, steel
The stability of casing 2 improves, the decentralization smoothness of steel reinforcement cage 5 also improves；Steel reinforcement cage 5 is sliding during decentralization to fill orifice 1
Lever 51 and being slidably matched for guide post 4 enable steel reinforcement cage 5 to remain vertical state, to ensure to let off under steel reinforcement cage 5
Journey is reliable and stable, after the bottom end of steel reinforcement cage 5 reaches the bottom hole of fill orifice 1, resilient force of the positive stop strip 512 in spring 513
Under spring into limit hole 41 so that steel reinforcement cage 5 is fixed, then when casting concrete, floating cage phenomenon will not occur for steel reinforcement cage 5, mention
The high Forming Quality of bored concrete pile.
Embodiment 2
A kind of construction method of drill-pouring pilework, including following construction procedure:
The position for needing to form bored concrete pile is simultaneously tamped in S1, cleaning ground, in advance precast reinforced cage 5；
S2, hole and embedded steel pile casting 2 that depth is 2-4m depth are drilled out, the internal diameter of steel pile casting 2 is selected 20-40cm bigger than stake diameter；
S3, vertical two vertical guide posts 4 are set around the hole drilled out, it is ensured that two guide posts 4 are apart from steel pile casting 2
Axis is equidistant；
S4, installation positioning component 3: the second adjusting screw rod 312 is hinged and connected with ground, and positioning ring 32 is then connected to steel shield
The outer wall of cylinder 2 and guarantee that the top of positioning ring 32 is abutted with baffle 21, clamping screw 3212 screws on lock after the locking hole 3211
Tight nut 3213；
S5, continue to drill along the inner wall of steel pile casting 2, carry out borehole cleaning processing using changing slurry processes after drilling；
S6, steel reinforcement cage 5 is placed, sliding bar 51 is enabled to decline in 5 decentralization process of steel reinforcement cage along the c-shaped opening of guide post 4, until sliding
It moves to the bottom end of steel reinforcement cage 5 and is contacted with the bottom hole drilled out, and positive stop strip 512 is inserted into limit hole 41；
S7, casting concrete；
S8, steel pile casting 2 is taken out.
Through the above technical solutions, compacting processing will be carried out after land clearing first, it is ensured that will not collapse, mention when drilling
Then high drilling quality drills out the hole of 2-4 meters of depth and embedded steel pile casting 2, to continue drilling to subsequent and carry out guidance, steel is protected
The internal diameter of cylinder 2 is 20-40 centimetres bigger than stake diameter, on the one hand makes steel reinforcement cage 5 more smooth when transferring, will not be by after on the other hand drilling
A diameter is caused to reduce in the internal diameter restrictions of steel pile casting 2.It is further continued for drilling after steel pile casting 2 is fixed using positioning component 3, energy
Enough so that the stability of steel pile casting 2 further increases, steel pile casting 2 can position the axis of the fill orifice 1 drilled out, improve
Borehole accuracy reduces the impurity in hole to the shadow of bored concrete pile Forming Quality using slurry processes progress borehole cleaning processing is changed after drilling
It rings, during transferring steel reinforcement cage 5, guide post 4 can keep vertical to the decentralization of steel reinforcement cage 5 and decentralization stability improves,
The axis deviant of steel reinforcement cage 5 is reduced, and positive stop strip 512 is inserted into limit hole 41 after the decentralization completely of steel reinforcement cage 5, so that
Floating cage phenomenon will not occur for steel reinforcement cage 5 during casting concrete, improve the Forming Quality of bored concrete pile after concreting.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of drill-pouring pilework, including the fill orifice (1) being opened on ground, hole wall of the fill orifice (1) close to top
It is inserted with steel pile casting (2), it is characterised in that: there are two mutually just for fixed setting at the tip edge position of the steel pile casting (2)
Pair baffle (21), fill orifice (1) two sides opposite along diameter itself direction are provided with positioning component (3), positioning component (3) packet
Locating rod (31) and positioning ring (32) are included, positioning ring (32) is in the semicircle shape being bonded with the outer wall of steel pile casting (2), locating rod
(31) one end is hinged and connected with positioning ring (32), and the other end is hinged and connected with ground, and two positioning rings (32) abut respectively
In the outer wall of steel pile casting (2), the top of positioning ring (32) is abutted with baffle (21), and two positioning rings (32) are in and steel pile casting
(2) the equal annular shape of outer diameter, and connection is detachably fixed between two positioning rings (32).
2. drill-pouring pilework according to claim 1, it is characterised in that: the locating rod (31) includes and positioning ring
(32) the first adjusting screw rod (311) being hinged and connected and the second adjusting screw rod (312) being hinged and connected with ground, first is adjusted
Screw rod (311) and the second adjusting screw rod (312) collinearly, screw thread between the first adjusting screw rod (311) and the second adjusting screw rod (312)
It is connected with swivel nut (313), and the thread rotary orientation of the first adjusting screw rod (311) and the second adjusting screw rod (312) is opposite.
3. drill-pouring pilework according to claim 1, it is characterised in that: the end fixation of the positioning ring (32) is set
Be equipped with lock sheet (321), offered on lock sheet (321) locking hole (3211), and two positioning rings (32) be mutually spliced into
When the outer wall of steel pile casting (2) is compatible circular, two locking holes (3211) are facing each other and are inserted with clamping screw
(3212), locking nut (3213) have been tightened on clamping screw (3212).
4. drill-pouring pilework according to claim 1, it is characterised in that: the opposite two sides of the fill orifice (1) are solid
Surely it is provided with vertical guide post (4), two guide posts (4) are equal with the distance between fill orifice (1) axis, steel pile casting (2)
Internal slide be inserted with compatible steel reinforcement cage (5), and steel reinforcement cage (5) plugs always to the bottom hole of fill orifice (1), steel reinforcement cage
(5) it is fixedly installed at apical position pair of sliding bar (51), pair of sliding bar (51) is away from steel reinforcement cage (5) axis side
To extension, sliding bar (51) is slidably matched with guide post (4) and glide direction is vertical.
5. drill-pouring pilework according to claim 4, it is characterised in that: the guide post (4) is in C font, and two
The C font opening of a guide post (4) is facing each other, and sliding bar (51) is located at the C of guide post (4) away from the end of steel reinforcement cage (5)
Font open interior is simultaneously slidably matched with guide post (4).
6. drill-pouring pilework according to claim 5, it is characterised in that: the sliding bar (51) deviates from steel reinforcement cage
(5) there are two limit skateboard (52) for end fixed setting, and limit skateboard (52) is L-shaped, and limit skateboard (52) L-shaped inside
Two sides adjacent with guide post (4) are slidably matched.
7. drill-pouring pilework according to claim 5, it is characterised in that: the guide post (4) is towards steel reinforcement cage (5)
Side offer limit hole (41), limit hole (41) is located at the bottom position of guide post (4), sliding bar (51) deviate from reinforcing bar
The end of cage (5) offers slide opening (511), and slide opening (511) is fixedly installed positive stop strip (512), positive stop strip (512) and slide opening
(511) be fixedly installed between bottom hole spring (513), and spring (513) in the raw when, the end of positive stop strip (512)
Portion exceeds the end of sliding bar (51).
8. a kind of construction method of drill-pouring pilework, it is characterised in that: including following construction procedure:
The position for needing to form bored concrete pile is simultaneously tamped in S1, cleaning ground, in advance precast reinforced cage (5)；
S2, depth is drilled out as the hole of 2-4m depth and buries steel pile casting (2), the internal diameter of steel pile casting (2) is selected 20- bigger than stake diameter
40cm；
S3, vertical two vertical guide posts (4) are set around the hole drilled out, it is ensured that two guide post (4) distance steel shields
The axis of cylinder (2) is equidistant；
S4, installation positioning component (3): the second adjusting screw rod (312) is hinged and connected with ground, then abuts positioning ring (32)
Steel pile casting (2) outer wall and guarantee positioning ring (32) top is abutted with baffle (21), clamping screw (3212) across lock
Locking nut (3213) are screwed on behind hole (3211)；
S5, continue to drill along the inner wall of steel pile casting (2), carry out borehole cleaning processing using changing slurry processes after drilling；
S6, steel reinforcement cage (5) are placed, is enabled under c-shaped opening of the sliding bar (51) along guide post (4) in steel reinforcement cage (5) decentralization process
Drop, until the bottom end for sliding into steel reinforcement cage (5) is contacted with the bottom hole drilled out, and in positive stop strip (512) insertion limit hole (41)；
S7, casting concrete；
S8, steel pile casting (2) are taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910473796.5A CN110241818B (en) | 2019-06-01 | 2019-06-01 | Cast-in-situ bored pile structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910473796.5A CN110241818B (en) | 2019-06-01 | 2019-06-01 | Cast-in-situ bored pile structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110241818A true CN110241818A (en) | 2019-09-17 |
| CN110241818B CN110241818B (en) | 2020-12-25 |
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Cited By (7)
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|---|---|---|---|---|
| CN112144525A (en) * | 2020-10-09 | 2020-12-29 | 安徽淠源水利工程有限公司 | Cast-in-situ bored pile structure and construction method thereof |
| CN112609684A (en) * | 2020-12-11 | 2021-04-06 | 宁波华康陆鼎建设有限公司 | Foundation pile concrete cast-in-situ bored pile structure and construction method thereof |
| CN112878315A (en) * | 2020-06-03 | 2021-06-01 | 富利建设集团有限公司 | End-bearing rotary-digging hole-forming cast-in-place pile based on Civil 3D technology and construction method |
| CN113235574A (en) * | 2021-06-07 | 2021-08-10 | 中建八局第二建设有限公司 | Multifunctional anti-floating device for water bored concrete pile reinforcement cage |
| CN113529728A (en) * | 2021-07-17 | 2021-10-22 | 南京桥新建设有限公司 | Steel reinforcement cage guiding device for cast-in-place pile construction and construction method |
| CN114277780A (en) * | 2021-12-25 | 2022-04-05 | 深圳市蛇口招商港湾工程有限公司 | Construction method of marine soft soil foundation structure |
| CN117385879A (en) * | 2023-12-07 | 2024-01-12 | 苏州大通工程建设有限公司 | Nondestructive recovery device for steel casing of bored pile |
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| CN112878315A (en) * | 2020-06-03 | 2021-06-01 | 富利建设集团有限公司 | End-bearing rotary-digging hole-forming cast-in-place pile based on Civil 3D technology and construction method |
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| CN112144525B (en) * | 2020-10-09 | 2022-04-29 | 安徽淠源水利工程有限公司 | Cast-in-situ bored pile structure and construction method thereof |
| CN112609684A (en) * | 2020-12-11 | 2021-04-06 | 宁波华康陆鼎建设有限公司 | Foundation pile concrete cast-in-situ bored pile structure and construction method thereof |
| CN112609684B (en) * | 2020-12-11 | 2022-01-04 | 宁波华康陆鼎建设有限公司 | Foundation pile concrete cast-in-situ bored pile structure and construction method thereof |
| CN113235574A (en) * | 2021-06-07 | 2021-08-10 | 中建八局第二建设有限公司 | Multifunctional anti-floating device for water bored concrete pile reinforcement cage |
| CN113235574B (en) * | 2021-06-07 | 2022-05-31 | 中建八局第二建设有限公司 | Multifunctional anti-floating device for water bored concrete pile reinforcement cage |
| CN113529728A (en) * | 2021-07-17 | 2021-10-22 | 南京桥新建设有限公司 | Steel reinforcement cage guiding device for cast-in-place pile construction and construction method |
| CN114277780A (en) * | 2021-12-25 | 2022-04-05 | 深圳市蛇口招商港湾工程有限公司 | Construction method of marine soft soil foundation structure |
| CN114277780B (en) * | 2021-12-25 | 2023-04-18 | 深圳市蛇口招商港湾工程有限公司 | Construction method of marine soft soil foundation structure |
| CN117385879A (en) * | 2023-12-07 | 2024-01-12 | 苏州大通工程建设有限公司 | Nondestructive recovery device for steel casing of bored pile |
| CN117385879B (en) * | 2023-12-07 | 2024-02-23 | 苏州大通工程建设有限公司 | Nondestructive recovery device for steel casing of bored pile |
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